LiteBIRD: A satellite for the studies of B-Mode polarization and inflation from cosmic background radiation detection

Hazumi, M., Ade, P. A. R. ORCID: https://orcid.org/0000-0002-5127-0401, Akiba, Y., Alonso, D., Arnold, K., Aumont, J., Baccigalupi, C., Barron, D., Basak, S., Beckman, S., Borrill, J., Boulanger, F., Bucher, M., Calabrese, E. ORCID: https://orcid.org/0000-0003-0837-0068, Chinone, Y., Cho, S., Cukierman, A., Curtis, D. W., de Haan, T., Dobbs, M., Dominjon, A., Dotani, T., Duband, L., Ducout, A., Dunkley, J., Duval, J. M., Elleflot, T., Eriksen, H. K., Errard, J., Fischer, J., Fujino, T., Funaki, T., Fuskeland, U., Ganga, K., Goeckner-Wald, N., Grain, J., Halverson, N. W., Hamada, T., Hasebe, T., Hasegawa, M., Hattori, K., Hattori, M., Hayes, L., Hidehira, N., Hill, C. A., Hilton, G., Hubmayr, J., Ichiki, K., Iida, T., Imada, H., Inoue, M., Inoue, Y., Irwin, K. D., Ishino, H., Jeong, O., Kanai, H., Kaneko, D., Kashima, S., Katayama, N., Kawasaki, T., Kernasovskiy, S. A., Keskitalo, R., Kibayashi, A., Kida, Y., Kimura, K., Kisner, T., Kohri, K., Komatsu, E., Komatsu, K., Kuo, C. L., Kurinsky, N. A., Kusaka, A., Lazarian, A., Lee, A. T., Li, D., Linder, E., Maffei, B., Mangilli, A., Maki, M., Matsumura, T., Matsuura, S., Meilhan, D., Mima, S., Minami, Y., Mitsuda, K., Montier, L., Nagai, M., Nagasaki, T., Nagata, R., Nakajima, M., Nakamura, S., Namikawa, T., Naruse, M., Nishino, H., Nitta, T., Noguchi, T., Ogawa, H., Oguri, S., Okada, N., Okamoto, A., Okamura, T., Otani, C., Patanchon, G., Pisano, G., Rebeiz, G., Remazeilles, M., Richards, P. L., Sakai, S., Sakurai, Y., Sato, Y., Sato, N., Sawada, M., Segawa, Y., Sekimoto, Y., Seljak, U., Sherwin, B. D., Shimizu, T., Shinozaki, K., Stompor, R., Sugai, H., Sugita, H., Suzuki, A., Suzuki, J., Tajima, O., Takada, S., Takaku, R., Takakura, S., Takatori, S., Tanabe, D., Taylor, E., Thompson, K. L., Thorne, B., Tomaru, T., Tomida, T., Tomita, N., Tristram, M., Tucker, C. ORCID: https://orcid.org/0000-0002-1851-3918, Turin, P., Tsujimoto, M., Uozumi, S., Utsunomiya, S., Uzawa, Y., Vansyngel, F., Wehus, I. K., Westbrook, B., Willer, M., Whitehorn, N., Yamada, Y., Yamamoto, R., Yamasaki, N., Yamashita, T. and Yoshida, M. 2019. LiteBIRD: A satellite for the studies of B-Mode polarization and inflation from cosmic background radiation detection. Journal of Low Temperature Physics 194 (5-6) , pp. 443-452. 10.1007/s10909-019-02150-5

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Abstract

LiteBIRD is a candidate satellite for a strategic large mission of JAXA. With its expected launch in the middle of the 2020s with a H3 rocket, LiteBIRD plans to map the polarization of the cosmic microwave background radiation over the full sky with unprecedented precision. The full success of LiteBIRD is to achieve δr<0.001 , where δr is the total error on the tensor-to-scalar ratio r. The required angular coverage corresponds to 2≤ℓ≤200 , where ℓ is the multipole moment. This allows us to test well-motivated cosmic inflation models. Full-sky surveys for 3 years at a Lagrangian point L2 will be carried out for 15 frequency bands between 34 and 448 GHz with two telescopes to achieve the total sensitivity of 2.5 μ K arcmin with a typical angular resolution of 0.5∘ at 150 GHz. Each telescope is equipped with a half-wave plate system for polarization signal modulation and a focal plane filled with polarization-sensitive TES bolometers. A cryogenic system provides a 100 mK base temperature for the focal planes and 2 K and 5 K stages for optical components.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Publisher:	Springer
ISSN:	0022-2291
Date of Acceptance:	18 January 2019
Last Modified:	15 Feb 2023 16:16
URI:	https://orca.cardiff.ac.uk/id/eprint/156970

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